add c# assembly for fsmn vad (#650)

manyeyes

2023-06-21 c2a2575f198b1bfd452ea5769bec81bcce3d3a42

 .gitignore

@@ -16,4 +16,6 @@
.egg*
dist
build
funasr.egg-info
funasr.egg-info
docs/_build
modelscope